The 46BD-FV is a 1/4" CCP pressure front vented microphone set, ~4 mV/Pa sensitivity, suitable for pressure measurements with front venting in special spaces.

· Key Specifications:

• Sensitivity: ~4 mV/Pa.
• Dynamic range: 35 dB(A) to 160 dB.
• Frequency range: 4 Hz to 70 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: Microdot.
• Type: Pressure front vented.
• TEDS: Yes.
• Venting: Front.

The 46DE is the smallest 1/8" CCP pressure microphone set in the GRAS line, designed for sound measurements in extremely limited spaces, with high durability and shock resistance for industrial applications.

· Key Specifications:

• Sensitivity: Approximately 1 mV/Pa.
• Dynamic range: Approximately 50 dB(A) to 172 dB.
• Frequency range: 20 Hz to 140 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: Microdot.
• Polarization: 0 V.
• TEDS: Yes.
• Size: Smallest 1/8".

The 46BF-1 is a standard 1/4" LEMO free-field microphone set with 200V polarization, suitable for high-frequency and high-level measurements with mini LEMO connector.

· Key Specifications:

• Sensitivity: ~4 mV/Pa.
• Dynamic range: 35 dB(A) to 160 dB.
• Frequency range: 4 Hz to 80 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: 5-pin LEMO mini.
• Polarization: 200 V.
• TEDS: Yes.
• Type: Free-field.

The 46AC is a 1/2" LEMO free-field wide frequency microphone set with 200V polarization, suitable for ultrasonic diagnostics and impulse measurements with low distortion and high resolution from fast diaphragm response.

· Key Specifications:

• Sensitivity: 50 mV/Pa.
• Dynamic range: 15 dB(A) to 148 dB.
• Frequency range: Wide to ultrasonic.
• Operating temperature: -30°C to +85°C.
• Connector: 7-pin LEMO.
• Polarization: 200 V.
• TEDS: Yes.
• Type: Free-field wide frequency.

The 147AX is a rugged CCP pressure microphone set specialized for hot/cold engine noise measurement in automotive NVH, with three-layer diaphragm protection and new form factor for quick mounting, high harsh environment tolerance.

· Key Specifications:

• Sensitivity: 50 mV/Pa.
• Dynamic range: Wide for engine noise.
• Frequency range: Suitable for automotive NVH.
• Operating temperature: High (hot engine).
• Connector: BNC.
• Type: Rugged pressure.
• TEDS: Yes.
• Application: Engine noise testing.

The 46BG-FV is a 1/4" CCP pressure front vented high pressure microphone set, low sensitivity for high levels with front venting.

· Key Specifications:

• Sensitivity: Low.
• Dynamic range: High peak.
• Frequency range: High.
• Operating temperature: -30°C to +100°C.
• Connector: Microdot.
• Type: Pressure front vented high pressure.
• TEDS: Yes.
• Venting: Front.

The 40HT is a 1/2" low-noise probe-like system for confined spaces, very low noise floor, suitable for low sound measurements in tubes or tight areas.

· Key Specifications:

• Sensitivity: High.
• Dynamic range: Low noise.
• Frequency range: Wide.
• Noise floor: Very low.
• Connector: Complete system.
• Polarization: Externally polarized.
• Design: Probe-like.
• Application: Confined spaces.

The 46BL-1-FV is a 1/4" CCP pressure high sensitivity front vented microphone set, 20 mV/Pa sensitivity, suitable for sensitive measurements with front venting.

· Key Specifications:

• Sensitivity: 20 mV/Pa.
• Dynamic range: 24 dB(A) to 146 dB.
• Frequency range: 4 Hz to 20 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: Microdot.
• Type: Pressure high sensitivity front vented.
• TEDS: Yes.
• Venting: Front.